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Which one of the following does NOT involve coagulation:-A. Formation of delta regionsB. peptizationC. Treatment of drinking water by potash alumD. Clotting of blood by the use of ferric chloride |
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Answer» Correct Answer - B The dispersion of a freshly precipitated material into colloidal solution by the action of an electrolyte solution is termed peptization. It involves the adsorption of suitable ions and the electrically charged particles then splits from the precipitate as colloidal particles. |
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